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Self-study IT network Linux load balancing video tutorial

Course Intermediate 11429

Course Introduction："Self-study IT Network Linux Load Balancing Video Tutorial" mainly implements Linux load balancing by performing script operations on web, lvs and Linux under nagin.

Shangxuetang MySQL video tutorial

Course Advanced 17720

Course Introduction："Shangxuetang MySQL Video Tutorial" introduces you to the process from installing to using the MySQL database, and introduces the specific operations of each link in detail.

Band of Brothers front-end example display video tutorial

Course Advanced 11417

Course Introduction："Brothers Band Front-end Example Display Video Tutorial" introduces examples of HTML5 and CSS3 technologies to everyone, so that everyone can become more proficient in using HTML5 and CSS3.

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Why does Vue 3 child component trigger focus event twice?

When I fire the focus event from a top level input field in Vue3: <input@focus="$emit('focus')">... the event is fired once when the input field is focused (as I expected) . However, when you put the same input field into a child component and focus it: <InputField@focus="$emit('focus')"/>... the event is fired twice. Please refer to https://

2024-01-02 09:44:07

Rewrite the title to: Focus on what the console buttons do, not other areas

I have 4 buttons and when they are clicked I am trying to set focus on them so the user can see the currently active button. For some reason in the console it works as expected, when a button is clicked it adds focus, changes the background color based on CSS, then when another button is clicked the first button loses focus and the new button gets focus. When I don't have the console open it doesn't work. constoneYear=document.getElementById('1Year');constfiveYear

2023-09-02 09:28:50

Ways to fix issue 2003 (HY000): Unable to connect to MySQL server 'db_mysql:3306' (111)

I recently tried to containerize my FastAPIPython server (also for replication/doubling purposes). Before, I had just a MySQL server in a Docker container and everything was fine, but when I also made my web server a service, it couldn't connect to the MySQL server, so now the application doesn't work. Below is the code snippet of the server database initialization connector in the application fromfastapiimportFastAPIimportmysql.connectorapp

2023-09-05 11:18:47

Experiment with sorting after query limit

So this is my first question here, please forgive me if something is wrong. I'm trying to make a sort query based on constraints. So there is a Customers table with 90 records. I want to first perform a query limited to 3 records, and then sort the results of this query by a column called ContactName. I think this might be a nested query. Nested queries run fine in SQLServer, but don't know how to implement it in MySQL. Limit query: Select*fromcustomerslimit

2023-09-05 14:46:42

CSS Grid: Create new row when child content overflows column width

I have a two column layout based on CSS grid. When the content of the second column exceeds 1fr I want to create a new row. As it currently stands, the content simply overflows the column. One requirement of this layout is that the items in the right menu column are in one row. I achieve this with: .right-menu{...grid-auto-flow:columndense;...} If I remove the grid-auto-flow attribute, the overflow stops. However, the items are now stacked into multiple rows, which is not what I want. I also tried converting .ri

2023-09-05 15:18:28

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How to use code review to improve the performance of Java functions?

Course Introduction：Code review is the key to improving the performance of Java functions. By reviewing code, developers can identify performance pitfalls such as unoptimized algorithms, memory leaks, and duplicate code. Focus on performance-sensitive areas, focus on code readability, and leverage tools and team collaboration to continuously optimize performance.

2024-04-21 comment 0 646

What are the hidden rules of SEO?

Course Introduction：The unspoken rules of SEO are: 1. Determine your goals before optimizing; 2. Don’t rush optimization, it requires you to persevere; 3. Optimize appropriately and don’t overdo it; 4. Site SEO information is stable and don’t change frequently; 5. External links Don’t focus on quantity, focus on the quality of your external links; 6. Don’t frequently pirate other people’s stuff.

2019-05-23 comment 0 2523

'The Condor Shooting' Achievements Guide to Focusing on Nothing

Course Introduction：The guide for the achievement of "Concentrate on the Condor Mobile Game". This achievement requires us to go to the edge of the cliff, jump off the cliff 10 times and trigger the inner demon dialogue, and then we can successfully obtain this achievement, so the following is compiled by the editor. Detailed guide to the "Concentrate on Condor" achievement, I hope it can help everyone obtain this achievement. Guide to the "Concentrate on Condor" achievement: 1. We teleport to the marked location below the picture to obtain this achievement. 2. After reaching the destination, jump off the cliff here. 3. After jumping off the cliff 10 times, you can trigger a conversation with your inner demon. 4. After ending the conversation, you can successfully obtain this achievement.

2024-04-23 comment 0 1081

Which processor is better, Dimensity or Snapdragon?

Course Introduction：Dimensity and Snapdragon processors each excel in their respective fields: flagship performance is equally matched, Snapdragon 7 series has better performance, and Dimensity 8 series has excellent battery life. Dimensity processor has better power consumption control. Integration Dimensity processor is more integrated and has richer functions. The market share is dominated by Snapdragon processors, and the popularity of Dimensity processors is rising. Selection suggestions: Choose Snapdragon if you focus on performance, choose Dimensity if you focus on power consumption and integration.

2024-04-02 comment 0 2028

Why Does Go Prioritize Slices Over Lists for Dynamic Collections?

Course Introduction：Why Go's Approach to Lists Differs: Focus on Slices Over ListsIn many programming languages, lists are indispensable due to their dynamic resizing...

2024-12-09 comment 0 770

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